Hornwort
Ceratophyllum demersum
- Beginner
- Medium light
- No CO₂ needed
- Floating
Knowledge-base entry — ask in store about availability.
A rootless, bristly stem plant that grows almost as fast as you can trim it — floating or anchored, fry love it.
- Temperature
- 18–28 °C
- pH
- 6–8
- Lighting
- Medium light
- CO₂
- Optional
- Growth rate
- Fast
- Placement
- Floating
- Substrate
- Any (or attach to hardscape)
- Care level
- Beginner
Float it or weight it down; it has no true roots. Excellent nutrient sponge for new tanks, but expect needle drop when conditions change.